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Contains:  M 52, NGC 7654, Bubble nebula, NGC 7635
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NGC 7635 Bubble Nebula, 





    
        

            hughsie
NGC 7635 Bubble Nebula

NGC 7635 Bubble Nebula

Technical card

Resolution: 1888x1416

Dates:Sept. 17, 2019

Frames:
Baader Ha 1.25" 7nm: 41x300" (gain: 139.00) -15C bin 1x1
Baader OIII 1.25" 8.5nm: 35x300" (gain: 139.00) -15C bin 1x1
Baader SII 1.25" 8nm: 40x300" (gain: 139.00) -15C bin 1x1

Integration: 9.7 hours

Darks: ~50

Flats: ~50

Flat darks: ~50

Avg. Moon age: 17.75 days

Avg. Moon phase: 90.23%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 2936830

RA center: 350.199 degrees

DEC center: 61.182 degrees

Pixel scale: 2.737 arcsec/pixel

Orientation: 3.067 degrees

Field radius: 0.897 degrees

Data source: Backyard

Description

NGC 7635 Bubble Nebula.

Image was taken across two nights, 13/14th and 17/18th September and was my third foray into narrowband imaging.

The back focus for the camera still needs adjustment so there are some stretched stars in the corners of the image but I am getting there!

Comments

Author

hughsie
hughsie
License: None (All rights reserved)
340
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NGC 7635 Bubble Nebula, 





    
        

            hughsie